Model: 918720

Engine Accessory Generator

Properties:

Thread Direction
Right-hand
Thread Length
0.578 inches
Furnished Items
Cooling fan and lockwasher and nut and woodruff key
Second Step Diameter
0.750 inches
Keyway Width
0.156 inches
Unthreaded Portion Length
0.844 inches
Mounting Style
Bracket mtd w/three mtg holes
Keyway Length
0.750 inches
Submersibility
Nonsubmersible
Shaft Rotation Direction
Clockwise
Thread Diameter
0.500 inches
Ground Polarity Type
Negative
Armature Minimum Speed In Rpm At Full Current Output
825
Maximum Output Current Rating In Amps
55.0
Grounding Method
Internal
Shaft Drive End Style
Straight shaft end, threaded, w/keyway
Distance Between Shaft Center And Bottom Mounting Hole Center
4.438 inches
Distance Between Shaft Center And Top Mounting Hole Center
4.438 inches
Angular Deviation Of First Hole From Top Center In Deg
196.0
Angular Deviation Of Second Hole From First Hole In Deg
118.5
Distance Between Inside Surfaces Of Hinge Bracket
Between 8.774 inches and 8.787 inches
Distance Between Outside Surfaces Of Hinge Bracket
Between 9.774 inches and 9.787 inches
Top Mounting Hole Diameter
Between 0.089 inches and 0.099 inches
Bottom Mounting Hole Diameter
Between 0.214 inches and 0.224 inches
Maximum Rated Armature Speed In Rpm
1080
Thread Class
2a
Thready Qty Per Inch (tpi)
20
Voltage In Volts
12.0
NSN
2920-00-771-3901
Part Number
918720
Description
Generator,engine Accessory
CAGE

A generator primarily designed to be mounted on an internal combustion engine, and to be driven by the engine to keep the battery in a charged condition. May also supply current for the engine ignition system and/or electrical equipment which is connected to the battery circuit. Includes alternating current generators designed for use with a rectifier. Excludes the major generator of "generating sets". For generators specifically designed for aircraft use and not mounted on the engine, see generator, direct current.

Part 918720 NSN 2920-00-771-3901

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
17311
FIIG:
A14700
Concept No.:
1
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
70.0
WCC:
590
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Hours: 08:00-18:00 Eastern Standard Time
Phone: +1 470-231-0824
Email: Contact Form »
Schedule B and Export
  • Schedule B: 8511500000
  • SITC: 77831
  • End Use: Engines and engine parts (carburetors, pistons, rings, and valves)
  • NAICS: 336320
  • USDA: 1

Freight Class: Generators for internal combustion engines, nesoi

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